/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.iotdb.flink.util;

import java.io.File;
import org.apache.iotdb.tsfile.file.metadata.enums.TSDataType;
import org.apache.iotdb.tsfile.file.metadata.enums.TSEncoding;
import org.apache.iotdb.tsfile.write.TsFileWriter;
import org.apache.iotdb.tsfile.write.record.TSRecord;
import org.apache.iotdb.tsfile.write.record.datapoint.DataPoint;
import org.apache.iotdb.tsfile.write.record.datapoint.FloatDataPoint;
import org.apache.iotdb.tsfile.write.record.datapoint.IntDataPoint;
import org.apache.iotdb.tsfile.write.schema.MeasurementSchema;
import org.apache.iotdb.tsfile.write.schema.Schema;

/**
 * Utils used to prepare TsFiles for testing.
 */
public class TsFileWriteUtil {

	public static final String TMP_DIR = "target";
	public static final String DEFAULT_TEMPLATE = "template";

	public static void create1(String tsfilePath) throws Exception {
		File f = new File(tsfilePath);
		if (f.exists()) {
			f.delete();
		}
		Schema schema = new Schema();
		schema.extendTemplate(DEFAULT_TEMPLATE, new MeasurementSchema("sensor_1", TSDataType.FLOAT, TSEncoding.RLE));
		schema.extendTemplate(DEFAULT_TEMPLATE, new MeasurementSchema("sensor_2", TSDataType.INT32, TSEncoding.TS_2DIFF));
		schema.extendTemplate(DEFAULT_TEMPLATE, new MeasurementSchema("sensor_3", TSDataType.INT32, TSEncoding.TS_2DIFF));

		TsFileWriter tsFileWriter = new TsFileWriter(f, schema);

		// construct TSRecord
		TSRecord tsRecord = new TSRecord(1, "device_1");
		DataPoint dPoint1 = new FloatDataPoint("sensor_1", 1.2f);
		DataPoint dPoint2 = new IntDataPoint("sensor_2", 20);
		DataPoint dPoint3;
		tsRecord.addTuple(dPoint1);
		tsRecord.addTuple(dPoint2);

		// write a TSRecord to TsFile
		tsFileWriter.write(tsRecord);

		tsRecord = new TSRecord(2, "device_1");
		dPoint2 = new IntDataPoint("sensor_2", 20);
		dPoint3 = new IntDataPoint("sensor_3", 50);
		tsRecord.addTuple(dPoint2);
		tsRecord.addTuple(dPoint3);
		tsFileWriter.write(tsRecord);

		tsRecord = new TSRecord(3, "device_1");
		dPoint1 = new FloatDataPoint("sensor_1", 1.4f);
		dPoint2 = new IntDataPoint("sensor_2", 21);
		tsRecord.addTuple(dPoint1);
		tsRecord.addTuple(dPoint2);
		tsFileWriter.write(tsRecord);

		tsRecord = new TSRecord(4, "device_1");
		dPoint1 = new FloatDataPoint("sensor_1", 1.2f);
		dPoint2 = new IntDataPoint("sensor_2", 20);
		dPoint3 = new IntDataPoint("sensor_3", 51);
		tsRecord.addTuple(dPoint1);
		tsRecord.addTuple(dPoint2);
		tsRecord.addTuple(dPoint3);
		tsFileWriter.write(tsRecord);

		tsRecord = new TSRecord(6, "device_1");
		dPoint1 = new FloatDataPoint("sensor_1", 7.2f);
		dPoint2 = new IntDataPoint("sensor_2", 10);
		dPoint3 = new IntDataPoint("sensor_3", 11);
		tsRecord.addTuple(dPoint1);
		tsRecord.addTuple(dPoint2);
		tsRecord.addTuple(dPoint3);
		tsFileWriter.write(tsRecord);

		tsRecord = new TSRecord(7, "device_1");
		dPoint1 = new FloatDataPoint("sensor_1", 6.2f);
		dPoint2 = new IntDataPoint("sensor_2", 20);
		dPoint3 = new IntDataPoint("sensor_3", 21);
		tsRecord.addTuple(dPoint1);
		tsRecord.addTuple(dPoint2);
		tsRecord.addTuple(dPoint3);
		tsFileWriter.write(tsRecord);

		tsRecord = new TSRecord(8, "device_1");
		dPoint1 = new FloatDataPoint("sensor_1", 9.2f);
		dPoint2 = new IntDataPoint("sensor_2", 30);
		dPoint3 = new IntDataPoint("sensor_3", 31);
		tsRecord.addTuple(dPoint1);
		tsRecord.addTuple(dPoint2);
		tsRecord.addTuple(dPoint3);
		tsFileWriter.write(tsRecord);

		tsRecord = new TSRecord(1, "device_2");
		dPoint1 = new FloatDataPoint("sensor_1", 2.3f);
		dPoint2 = new IntDataPoint("sensor_2", 11);
		dPoint3 = new IntDataPoint("sensor_3", 19);
		tsRecord.addTuple(dPoint1);
		tsRecord.addTuple(dPoint2);
		tsRecord.addTuple(dPoint3);
		tsFileWriter.write(tsRecord);

		tsRecord = new TSRecord(2, "device_2");
		dPoint1 = new FloatDataPoint("sensor_1", 25.4f);
		dPoint2 = new IntDataPoint("sensor_2", 10);
		dPoint3 = new IntDataPoint("sensor_3", 21);
		tsRecord.addTuple(dPoint1);
		tsRecord.addTuple(dPoint2);
		tsRecord.addTuple(dPoint3);
		tsFileWriter.write(tsRecord);

		// close TsFile
		tsFileWriter.close();
	}

	public static void create2(String tsfilePath) throws Exception {
		File f = new File(tsfilePath);
		if (f.exists()) {
			f.delete();
		}
		Schema schema = new Schema();
		schema.extendTemplate(DEFAULT_TEMPLATE, new MeasurementSchema("sensor_1", TSDataType.FLOAT, TSEncoding.RLE));
		schema.extendTemplate(DEFAULT_TEMPLATE, new MeasurementSchema("sensor_2", TSDataType.INT32, TSEncoding.TS_2DIFF));
		schema.extendTemplate(DEFAULT_TEMPLATE, new MeasurementSchema("sensor_3", TSDataType.INT32, TSEncoding.TS_2DIFF));

		TsFileWriter tsFileWriter = new TsFileWriter(f, schema);

		// construct TSRecord
		TSRecord tsRecord = new TSRecord(9, "device_1");
		DataPoint dPoint1 = new FloatDataPoint("sensor_1", 1.2f);
		DataPoint dPoint2 = new IntDataPoint("sensor_2", 20);
		DataPoint dPoint3;
		tsRecord.addTuple(dPoint1);
		tsRecord.addTuple(dPoint2);

		// write a TSRecord to TsFile
		tsFileWriter.write(tsRecord);

		tsRecord = new TSRecord(10, "device_1");
		dPoint2 = new IntDataPoint("sensor_2", 20);
		dPoint3 = new IntDataPoint("sensor_3", 50);
		tsRecord.addTuple(dPoint2);
		tsRecord.addTuple(dPoint3);
		tsFileWriter.write(tsRecord);

		tsRecord = new TSRecord(11, "device_1");
		dPoint1 = new FloatDataPoint("sensor_1", 1.4f);
		dPoint2 = new IntDataPoint("sensor_2", 21);
		tsRecord.addTuple(dPoint1);
		tsRecord.addTuple(dPoint2);
		tsFileWriter.write(tsRecord);

		tsRecord = new TSRecord(12, "device_1");
		dPoint1 = new FloatDataPoint("sensor_1", 1.2f);
		dPoint2 = new IntDataPoint("sensor_2", 20);
		dPoint3 = new IntDataPoint("sensor_3", 51);
		tsRecord.addTuple(dPoint1);
		tsRecord.addTuple(dPoint2);
		tsRecord.addTuple(dPoint3);
		tsFileWriter.write(tsRecord);

		tsRecord = new TSRecord(14, "device_1");
		dPoint1 = new FloatDataPoint("sensor_1", 7.2f);
		dPoint2 = new IntDataPoint("sensor_2", 10);
		dPoint3 = new IntDataPoint("sensor_3", 11);
		tsRecord.addTuple(dPoint1);
		tsRecord.addTuple(dPoint2);
		tsRecord.addTuple(dPoint3);
		tsFileWriter.write(tsRecord);

		tsRecord = new TSRecord(15, "device_1");
		dPoint1 = new FloatDataPoint("sensor_1", 6.2f);
		dPoint2 = new IntDataPoint("sensor_2", 20);
		dPoint3 = new IntDataPoint("sensor_3", 21);
		tsRecord.addTuple(dPoint1);
		tsRecord.addTuple(dPoint2);
		tsRecord.addTuple(dPoint3);
		tsFileWriter.write(tsRecord);

		tsRecord = new TSRecord(16, "device_1");
		dPoint1 = new FloatDataPoint("sensor_1", 9.2f);
		dPoint2 = new IntDataPoint("sensor_2", 30);
		dPoint3 = new IntDataPoint("sensor_3", 31);
		tsRecord.addTuple(dPoint1);
		tsRecord.addTuple(dPoint2);
		tsRecord.addTuple(dPoint3);
		tsFileWriter.write(tsRecord);

		tsRecord = new TSRecord(9, "device_2");
		dPoint1 = new FloatDataPoint("sensor_1", 2.3f);
		dPoint2 = new IntDataPoint("sensor_2", 11);
		dPoint3 = new IntDataPoint("sensor_3", 19);
		tsRecord.addTuple(dPoint1);
		tsRecord.addTuple(dPoint2);
		tsRecord.addTuple(dPoint3);
		tsFileWriter.write(tsRecord);

		tsRecord = new TSRecord(10, "device_2");
		dPoint1 = new FloatDataPoint("sensor_1", 25.4f);
		dPoint2 = new IntDataPoint("sensor_2", 10);
		dPoint3 = new IntDataPoint("sensor_3", 21);
		tsRecord.addTuple(dPoint1);
		tsRecord.addTuple(dPoint2);
		tsRecord.addTuple(dPoint3);
		tsFileWriter.write(tsRecord);

		// close TsFile
		tsFileWriter.close();
	}
}